升级JDK到21引入虚拟线程

pom.xml

@@ -16,7 +16,7 @@
         <ruoyi.version>3.9.0</ruoyi.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
         <maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
         <mybatis-spring-boot.version>3.0.4</mybatis-spring-boot.version>
         <druid.version>1.2.23</druid.version>

ruoyi-framework/src/main/java/com/ruoyi/framework/config/VirtualThreadConfig.java

@@ -0,0 +1,30 @@
+package com.ruoyi.framework.config;
+
+import org.springframework.boot.web.embedded.tomcat.TomcatProtocolHandlerCustomizer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
+
+@Configuration
+public class VirtualThreadConfig {
+
+    /**
+     * 配置虚拟线程池：JDK 21 新增 Executors.newVirtualThreadPerTaskExecutor()
+     * 特性：1个任务对应1个虚拟线程，无需手动设置核心线程数/最大线程数
+     */
+    @Bean
+    public TomcatProtocolHandlerCustomizer<?> protocolHandlerVirtualThreadExecutorCustomizer() {
+        // 1. 创建自定义虚拟线程工厂并指定名称前缀
+        ThreadFactory virtualThreadFactory = Thread.ofVirtual()
+                .name("virtual-api-", 1) // 前缀为"virtual-api-"，编号从1开始
+                .factory();
+
+        // 2. 使用上面创建的线程工厂初始化执行器
+        return protocolHandler -> protocolHandler.setExecutor(
+                Executors.newThreadPerTaskExecutor(virtualThreadFactory)
+        );
+    }
+
+}